cityring.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 12 August 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.108.4.155 is hosted by Telia Cygate AB (AS197308) in Sweden. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | cityring.dk → 193.108.4.155 |
| 🔶 Autoconfig | cityring.dk → 193.108.4.155 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | cityring.dk (all on cityring.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.cityring.dk | cityring.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026100801 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@cityring.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2005-08-12 |
| Expires | 2027-05-31 (220d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 02:04:23 | 783ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-15 18:00:22 | 985ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 06:36:31 shown | 857ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 05:31:02 | 1787ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 03:03:23 | 2283ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-17 02:59:42 | 1335ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-10 18:17:00 | 1080ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-03 15:35:41 | 2285ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-28 09:53:40 | 1224ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 13:02:23 | 740ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 03:55:28 | 1374ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 02:27:50 | 1354ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-08 16:31:49 | 9964ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-04 03:45:31 | 1712ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 11:23:00 | 897ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 07:26:42 | 950ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-10 18:21:54 | 1160ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 10:45:11 | 2279ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 21:24:31 | 840ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 17:40:56 | 3255ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 22:06:27 | 65535ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 21:12:45 | 1979ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 21:09:00 | 988ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 21:00:31 | 1771ms | 5 NS 1 A 3 MX | 🔓 Insecure |